:root {
    --bg: #0b0d10;
    --bg-elevated: #14181d;
    --card: #171c22;
    --text: #f3f5f7;
    --muted: #a7b0ba;
    --accent: #3ddc97;
    --line: rgba(255, 255, 255, 0.08);
    --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: Outfit, sans-serif;
    background:
        radial-gradient(ellipse 70% 40% at 50% -10%, rgba(61, 220, 151, 0.16), transparent 55%),
        var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a { color: var(--accent); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    max-width: var(--max);
    margin: 0 auto;
    padding: 1rem 1.25rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand-mark {
    width: 2rem;
    height: 2rem;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--accent);
    color: #062117;
    font-weight: 700;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
}

.site-nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
}

.site-nav a:hover { color: var(--text); }

.hero, .section, .site-footer {
    max-width: var(--max);
    margin: 0 auto;
    padding: 1rem 1.25rem;
}

.hero {
    padding-top: 4.5rem;
    padding-bottom: 3.5rem;
}

.eyebrow {
    margin: 0 0 0.75rem;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1, h2, h3 { letter-spacing: -0.03em; line-height: 1.2; }

h1 {
    max-width: 16ch;
    margin: 0 0 1rem;
    font-size: clamp(2.1rem, 5vw, 3.4rem);
}

.lead {
    max-width: 42rem;
    margin: 0 0 1.75rem;
    color: var(--muted);
    font-size: 1.08rem;
}

.button {
    display: inline-block;
    padding: 0.8rem 1.15rem;
    border-radius: 999px;
    background: var(--accent);
    color: #062117;
    text-decoration: none;
    font-weight: 700;
}

.button:hover { filter: brightness(1.05); }

.section { padding-top: 2.5rem; padding-bottom: 2.5rem; }

.section-head { margin-bottom: 1.5rem; }

.section-head h2, .about h2 { margin: 0 0 0.4rem; font-size: 1.7rem; }

.section-head p, .about p { margin: 0.4rem 0 0; color: var(--muted); max-width: 40rem; }

.steps {
    margin: 1.25rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.steps li {
    padding: 0.9rem 1rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    color: var(--muted);
}

.steps strong { color: var(--text); }

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.card {
    padding: 1.25rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
}

.mark {
    width: 3rem;
    height: 3rem;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(61, 220, 151, 0.14);
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.04em;
}

.card h3 { margin: 0.9rem 0 0.35rem; font-size: 1.05rem; }

.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.about {
    display: grid;
    gap: 0.5rem;
    padding: 2rem 1.25rem;
    margin-top: 1rem;
    background: var(--bg-elevated);
    border-block: 1px solid var(--line);
    max-width: none;
}

.about > div { max-width: var(--max); margin: 0 auto; }

.contact-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.contact-list li {
    display: grid;
    gap: 0.15rem;
    padding: 1rem 1.1rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
}

.contact-list span {
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.contact-list a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
}

.contact-list a:hover { color: var(--accent); }

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    padding-bottom: 2rem;
    border-top: 1px solid var(--line);
    color: var(--muted);
}

.site-footer p { margin: 0; }

.site-footer a { color: var(--muted); text-decoration: none; }

.site-footer a:hover { color: var(--text); }

@media (max-width: 720px) {
    .site-header { align-items: flex-start; flex-direction: column; }
    .hero { padding-top: 2.5rem; }
    .site-footer { flex-direction: column; }
}